File: 2004-11-13-FunctionPointerCast.ll

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (12 lines) | stat: -rw-r--r-- 384 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
 
; The CBE should not emit code that casts the function pointer.  This causes
; GCC to get testy and insert trap instructions instead of doing the right
; thing. :(
; RUN: llc < %s -march=c

declare void @external(i8*)

define i32 @test(i32* %X) {
        %RV = call i32 bitcast (void (i8*)* @external to i32 (i32*)*)( i32* %X )                ; <i32> [#uses=1]
        ret i32 %RV
}